Research Topics
Genomes and GenesSpecies | M CotterchioSummaryAffiliation: Cancer Care Ontario Country: Canada Publications
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Publications
Association of total energy intake and macronutrient consumption with colorectal cancer risk: results from a large population-based case-control study in Newfoundland and Labrador and Ontario, CanadaZhuoyu Sun
Division of Community Health and Humanities, Faculty of Medicine, Memorial University of Newfoundland, St, John s, NL, Canada
Nutr J 11:18. 2012....
Effective interventions to facilitate the uptake of breast, cervical and colorectal cancer screening: an implementation guidelineMelissa C Brouwers
Program in Evidence based Care, Cancer Care Ontario, Hamilton, Ont, Canada
Implement Sci 6:112. 2011..We developed an implementation guideline to answer the question: What interventions have been shown to increase the uptake of cancer screening by individuals, specifically for breast, cervical, and colorectal cancers?..
What implementation interventions increase cancer screening rates? a systematic reviewMelissa C Brouwers
Program in Evidence based Care, Cancer Care Ontario, Hamilton, Ontario, Canada
Implement Sci 6:111. 2011..Our primary outcome, screening completion, was calculated as the overall median post-intervention absolute percentage point (PP) change in completed screening tests...
Dietary phytoestrogen intake--lignans and isoflavones--and breast cancer risk (Canada)Michelle Cotterchio
Division of Preventive Oncology, Cancer Care Ontario, 620 University Avenue, Toronto, Ontario, Canada
Cancer Causes Control 19:259-72. 2008..To evaluate whether phytoestrogen intake is associated with reduced breast cancer risk, using a novel phytoestrogen database...
Hormonal factors and the risk of breast cancer according to estrogen- and progesterone-receptor subgroupMichelle Cotterchio
Division of Preventive Oncology, Cancer Care Ontario, Toronto, Ontario, M5G 2L7 Canada
Cancer Epidemiol Biomarkers Prev 12:1053-60. 2003..Some heterogeneity exists in the risk factor profiles of ER+PR+ and ER-PR- premenopausal breast cancer; however, risk factor profiles did not differ markedly for postmenopausal breast cancer...
Dietary phytoestrogen intake is associated with reduced colorectal cancer riskMichelle Cotterchio
Division of Preventive Oncology, Cancer Care Ontario, Toronto, Ontario M5G 2L7, Canada
J Nutr 136:3046-53. 2006..This finding that phytoestrogen intake may reduce colorectal cancer risk is important, because dietary intake is potentially modifiable...
Red meat intake, doneness, polymorphisms in genes that encode carcinogen-metabolizing enzymes, and colorectal cancer riskMichelle Cotterchio
Population Studies and Surveillance, Cancer Care Ontario, 620 University Avenue, Toronto, Ontario, Canada, M5G 2L7
Cancer Epidemiol Biomarkers Prev 17:3098-107. 2008....
Human breast cancer and lymphomas may share a common aetiology involving Mouse Mammary Tumour Virus (MMTV)M Cotterchio
Division of Preventive Oncology, Research Unit, Cancer Care Ontario, Toronto, Ontario, Canada
Med Hypotheses 59:492-4. 2002..Intriguing evidence to date suggests that the aetiology of a subgroup of human breast cancers and lymphomas may have viral involvement, and this warrants further investigation...
Nonsteroidal anti-inflammatory drug use and breast cancer riskM Cotterchio
Division of Preventive Oncology, Research Unit, Cancer Care Ontario, Canada
Cancer Epidemiol Biomarkers Prev 10:1213-7. 2001..Our results suggest a reduction in breast cancer risk associated with any regular NSAID use. NSAID use is a modifiable factor, and any protective effect attributed to its use could be of great public health importance...
Colorectal screening is associated with reduced colorectal cancer risk: a case-control study within the population-based Ontario Familial Colorectal Cancer RegistryMichelle Cotterchio
Division of Preventive Oncology, Cancer Care Ontario, 620 University Avenue, M5G 2L7, Ontario, Toronto, Canada
Cancer Causes Control 16:865-75. 2005..This is the first study to evaluate the association between colonic screening and colorectal cancer risk among Canadians...
Antidepressant medication use and non-Hodgkin's lymphoma risk: no associationSaira Bahl
Division of Preventive Oncology, Cancer Care Ontario, Toronto, Ontario, Canada
Am J Epidemiol 160:566-75. 2004..These findings do not support an increased risk of non-Hodgkin's lymphoma with antidepressant medication use...
Cigarette smoking, genetic variants in carcinogen-metabolizing enzymes, and colorectal cancer riskSean P Cleary
Cancer Care Ontario, Toronto, Ontario, Canada
Am J Epidemiol 172:1000-14. 2010..03) status. These findings support the hypothesis that prolonged cigarette smoking is associated with increased risk of colorectal cancer and that this risk may be modified by variation in carcinogen metabolism genes...
Adolescent dietary phytoestrogen intake and breast cancer risk (Canada)Joanne Thanos
Department of Public Health Sciences, University of Toronto, Toronto, Ont, Canada
Cancer Causes Control 17:1253-61. 2006..If verified, this finding has important implications with regard to breast cancer prevention since diet is a potentially modifiable factor...
Association between colonic screening, subject characteristics, and stage of colorectal cancerLaura Fazio
Department of Public Health Sciences, University of Toronto, Toronto, Ontario, Canada
Am J Gastroenterol 100:2531-9. 2005..Colorectal cancer screening awareness and education programs need to consider targeting persons most likely to present with late stage colorectal cancer...
Association between subject factors and colorectal cancer screening participation in Ontario, CanadaFarah Ramji
Department of Public Health Sciences, University of Toronto, Toronto, Ont, Canada
Cancer Detect Prev 29:221-6. 2005..The low prevalence of colorectal cancer screening among the target population suggests the need for an increased awareness of the public health importance of colorectal cancer screening...
Germline MutY human homologue mutations and colorectal cancer: a multisite case-control studySean P Cleary
Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Department of Public Health Sciences, University of Toronto, Toronto, Ontario, Canada
Gastroenterology 136:1251-60. 2009..The objective of this study was to determine colorectal cancer (CRC) risk associated with mutations in the MYH gene...
Family history of hormonal cancers and colorectal cancer risk: a case-control study conducted in OntarioJi Hyun Jang
Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
Int J Cancer 125:918-25. 2009..In conclusion, individuals with a first-degree kin with breast cancer may have a modest increased risk for CRC compared to individuals without...
Antihistamine use and breast cancer riskVictoria Nadalin
Division of Preventive Oncology, Research Unit, Cancer Care Ontario, Toronto, Ontario, Canada
Int J Cancer 106:566-8. 2003..No confounding or effect modification was identified in multivariate modeling. Our findings do not support the hypothesis that women who use antihistamines are at a greater breast cancer risk than those who do not...
Lifestyle, dietary, and medical history factors associated with pancreatic cancer risk in Ontario, CanadaLaura N Anderson
Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
Cancer Causes Control 20:825-34. 2009..Possible pancreatic cancer risk factors were evaluated within the population-based Ontario Pancreas Cancer Study...
Nonsteroidal antiinflammatory drug use and breast cancer risk: subgroup findingsVictoria A Kirsh
Division of Preventive Oncology, Research Unit, Cancer Care Ontario, Toronto, Ontario, Canada
Am J Epidemiol 166:709-16. 2007..74 to 0.84). Breast cancer risk tended to decrease with increasing duration of NSAID use and was generally lowest for >or=7 years of use, and both acetylsalicylic acid and non-acetylsalicylic acid use were associated with reduced risks...
Menstrual and reproductive risk factors and risk for gastric adenocarcinoma in women: findings from the canadian national enhanced cancer surveillance systemSarah Frise
Drug Safety Department, AstraZeneca, Mississauga, Toronto, Ontario, Canada
Ann Epidemiol 16:908-16. 2006..CONCLUSION: These findings suggest that hormonal factors associated with greater exposure to estrogen and/or progesterone may be associated with decreased risk for gastric cancer...
Dietary phytoestrogens, including isoflavones, lignans, and coumestrol, in nonvitamin, nonmineral supplements commonly consumed by women in CanadaLilian U Thompson
Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada M5S 3E2
Nutr Cancer 59:176-84. 2007..Hence, the intake of supplements should be taken into consideration in clinical or epidemiological studies for more accurate estimation of phytoestrogen intakes...
Validity and reliability of the Block98 food-frequency questionnaire in a sample of Canadian womenBeatrice Boucher
Division of Preventive Onoclogy, Cancer Care Ontario, Toronto, Ontario, Canada
Public Health Nutr 9:84-93. 2006..To assess the validity and reliability of the most recent adaptation of Block's full-diet food-frequency questionnaire (FFQ) among a sample of Canadian women...
Vitamin D and calcium intakes and breast cancer risk in pre- and postmenopausal womenLaura N Anderson
Cancer Care Ontario, Toronto, Canada
Am J Clin Nutr 91:1699-707. 2010..Some evidence suggests that vitamin D may reduce breast cancer risk. Despite the biological interaction between vitamin D and calcium, few studies have evaluated their joint effects on breast cancer risk...
Vitamin D intake from food and supplements among Ontario women based on the US block food frequency questionnaire with and without modification for Canadian food valuesLaura N Anderson
Dalla Lana School of Public Health, University of Toronto, Toronto, ON
Can J Public Health 101:318-21. 2010..To measure and compare dietary vitamin D intake among women in Ontario using a modified Block 1998 (US) food frequency questionnaire (FFQ) before and after modification for Canadian-specific vitamin D food fortification...
Fecal occult blood testing: people in Ontario are unaware of it and not ready for itPaul Ritvo
Cancer Care Ontario, Division of Preventive Oncology, 620 University Ave, Toronto, ON M5G 2L7
Can Fam Physician 55:176-177.e4. 2009..To determine factors that influence awareness of, and readiness to undergo, fecal occult blood testing (FOBT) for colorectal cancer (CRC) screening...
Allergies are associated with reduced pancreas cancer risk: A population-based case-control study in Ontario, CanadaAyelet Eppel
Familial Gastrointestinal Cancer Registry, Digestive Diseases Clinical Research Centre, Joseph and Wolf Lebovic Centre, Mount Sinai Hospital, Toronto, Ontario, Canada
Int J Cancer 121:2241-5. 2007..29-0.63). There was no association observed between a history of asthma and pancreas cancer risk. Findings are of great importance to understanding the biological mechanisms involved in pancreas cancer development...
Comparison of papanicolaou (Pap) test rates across Ontario and factors associated with cervical screeningGordon Fehringer
Division of Preventive Oncology, Cancer Care Ontario, Toronto, ON
Can J Public Health 96:140-4. 2005..A positive association was observed between Pap test rates and the presence of a teaching hospital. Data quality issues limit the ability to monitor cervical screening. A provincial registry would address these issues...
Antidepressant medication use and breast cancer risk: a case-control studyAllan Steingart
Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
Int J Epidemiol 32:961-6. 2003..OR estimates did not change, but CI were widened and statistical significance lost, after adjustment for factors associated with breast cancer risk...
Phytoestrogen content of foods consumed in Canada, including isoflavones, lignans, and coumestanLilian U Thompson
Department of Nutritional Sciences, University of Toronto, Toronto, ON, Canada
Nutr Cancer 54:184-201. 2006..The richest sources of specific phytoestrogens, including coumestrol, were identified. The database will improve phytoestrogen intake estimation in future epidemiological and clinical studies particularly in Western populations...
The risk of breast cancer following reproductive surgeryN Kreiger
Division of Preventive Oncology, Cancer Care Ontario, Toronto, Canada
Eur J Cancer 35:97-101. 1999..There was no trend in risk with increasing follow-up. Our data support the hypothesis that reduced levels of endogenous oestrogen may be protective for breast cancer in women...
The association of tumor microsatellite instability phenotype with family history of colorectal cancerBharati Bapat
Department of Pathology and Lab Medicine, Mount Sinai Hospital, and Samuel Lunenfeld Research Institute, University of Toronto, 60 Murray Street, Box 30, Toronto, M5T 3L9, Ontario, Canada
Cancer Epidemiol Biomarkers Prev 18:967-75. 2009..Familial risk associated with MSI-High tumors is primarily driven by the Amsterdam-criteria patients. MSI-Low tumors may represent a distinct subtype of colorectal cancer with respect to certain epidemiologic variables studied here...
Benzodiazepines and risk for breast cancerErika Halapy
Division of Preventive Oncology, Cancer Care Ontario, Canada
Ann Epidemiol 16:632-6. 2006..Results confirm findings from previous studies that diazepam use does not increase the risk for breast cancer and also suggest no association with the use of other benzodiazepine compounds...
Agreement between proxy- and case-reported information obtained using the self- administered Ontario Familial Colon Cancer Registry epidemiologic questionnaireVictoria Nadalin
Division of Preventive Oncology, Research Unit, Cancer Care Ontario, Toronto, Ontario, Canada
Chronic Dis Can 24:1-8. 2003..It is useful to collect proxy information on such variables as medical history, parity, colonic screening and vitamin use, whereas oral contraceptive use and previous weight are not well reported...
Association between biallelic and monoallelic germline MYH gene mutations and colorectal cancer riskMarina E Croitoru
Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, ON, Canada
J Natl Cancer Inst 96:1631-4. 2004..These two MYH gene mutations may account for a substantial fraction of hereditary colorectal cancer...
A population-based study of the extent of surgical resection of potentially curable colon cancerAlexandra M Easson
Department of Surgical Oncology, Princess Margaret Hospital, Toronto, Ontario, Canada
Ann Surg Oncol 9:380-7. 2002..Total abdominal colectomy with ileorectal anastomosis (TAC-IR) may be considered for young patients or those with a colorectal cancer family history to prevent metachronous lesions and facilitate surveillance...
Genome-wide association scan identifies a colorectal cancer susceptibility locus on chromosome 8q24Brent W Zanke
Cancer Care Ontario, 620 University Avenue, Toronto, Ontario M5G 1L7, Canada
Nat Genet 39:989-94. 2007..i.): 1.07-1.26; P = 5.05 x 10(-4)). A summary across all seven studies at the 8q24 locus was highly significant (OR = 1.17, c.i.: 1.12-1.23; P = 3.16 x 10(-11)). This locus has also been implicated in prostate cancer...
Germ-line DNA copy number variation frequencies in a large North American populationGeorge Zogopoulos
Sam Minuk Cancer Genetics and Biomarker Laboratories, Fred Litwin Centre for Cancer Genetics, Samuel Lunenfeld Research Institute, Toronto, Canada
Hum Genet 122:345-53. 2007..This North American population-based map will be a useful resource for future genetic studies...
Results of the implementation of liquid-based cytology-SurePath in the Ontario screening programTerence J Colgan
Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
Cancer 102:362-7. 2004..The objective of the current study was to evaluate the adequacy and detection rates of SurePath after its implementation in Ontario...
Psychiatric disorders and use of mental health services by Ontario womenSarah Frise
Department of Public Health Sciences, University of Toronto, Toronto, Ontario
Can J Psychiatry 47:849-56. 2002..They also highlight the need to understand the phenomenon underlying the possibly increasing rates of disorders in younger birth cohorts, so that outreach strategies can be modified to accommodate differences in younger women...
Exogenous hormones and colorectal cancer risk in Canada: associations stratified by clinically defined familial risk of cancerPeter T Campbell
Prosserman Centre for Health Research, Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, ON, Canada
Cancer Causes Control 18:723-33. 2007..This work assessed associations between colorectal cancer risk and postmenopausal/contraceptive hormones; subgroup analyses included women with a clinically defined family history of cancer...
Use of antidepressant medications and the possible association with breast cancer risk. A reviewSaira Bahl
Division of Preventive Oncology, Cancer Care Ontario, Canada
Psychother Psychosom 72:185-94. 2003..Evidence to date does not support a change in the current use of antidepressant medications...
Association between frequency and intensity of recreational physical activity and epithelial ovarian cancer risk by age periodNancy Carnide
Institute for Work and Health, Toronto, Ontario, Canada
Eur J Cancer Prev 18:322-30. 2009..In conclusion, strenuous recreational activity early in life may increase the risk of ovarian cancer, whereas more recent recreational activity may reduce the risk...
The use of herbal and other non-vitamin, non-mineral supplements among pre- and post-menopausal women in OntarioKatayoon Pakzad
Department of Nutritional Sciences, University of Toronto, Toronto, ON
Can J Public Health 98:383-8. 2007..Ontario women were surveyed about their use of NVNM supplements, including those for women's health, and characteristics associated with use were examined...
Excess body weight and colorectal cancer risk in Canada: associations in subgroups of clinically defined familial risk of cancerPeter T Campbell
Cancer Prevention, Fred Hutchinson Cancer Research Center, M4 B402, Seattle, WA 98109, USA
Cancer Epidemiol Biomarkers Prev 16:1735-44. 2007....
Soy formula and breast cancer riskBeatrice A Boucher
Epidemiology 19:165-6. 2008
Hormone-related supplements and breast cancer risk: need for improved measurement of supplement useBeatrice A Boucher
Int J Cancer 123:2465-6; author reply 2467-8. 2008
Colon Cancer Family Registry: an international resource for studies of the genetic epidemiology of colon cancerPolly A Newcomb
Fred Hutchinson Cancer Research Center, Seattle, WA 98109 1024, USA
Cancer Epidemiol Biomarkers Prev 16:2331-43. 2007..Family studies have served as a cornerstone of genetic research on colorectal cancer...
Risk of colorectal cancer in monoallelic and biallelic carriers of MYH mutations: a population-based case-family studyMark A Jenkins
Centre for Molecular, Environmental, Genetic and Analytic Epidemiology, The University of Melbourne, Victoria, Australia
Cancer Epidemiol Biomarkers Prev 15:312-4. 2006....
